Simultaneous Right Retroperitoneal Schwannoma and Left Renal Hydatid Cyst
Figure 3
(a) and (b) H&E stained sections: (a) low power view of core needle biopsy: Antoni-A and -B growth pattern ×25, (b) palisading arrangement of spindle shape tumor cells (Verocay bodies) ×100; (c) I.H.C study with S-100 antibody shows positive nuclear reaction (PAP staining ×40); (d) and (e) I.H.C studies with SMA and CD 117 both show negative reaction with tumor cells (PAP staining, D ×40 and E ×100).
